Plenty of smart door locks now work with Amazon Alexa. If you have a Schlage smart lock, you are going to happy to know that they are getting voice unlocking capability. The Schlage Sense Smart Deadbolt and Connect Touchscreen Deadbolt are getting this feature.
By default, this functionality is disabled. Users will have to log onto their Alexa app and create a unique pin, which has to be spoken before Alexa unlocks the door.